.txt {
    vertical-align: top;
    border-radius: 5px;
    
}
h1 {
    margin: auto;
    padding:0,10%;
}
.btn_add {
    width: 80px;
    height: 30px;
    border: 1px solid #ccc;
    border-radius: 5px;
    background-color: #1890FF;
    cursor: pointer;
    color: #fcfcfc;
}